NDLI: Use of CZT as 3D detectors for gamma-ray astronomy

Content Provider	IEEE Xplore Digital Library
Author	Quadrini, E. Alderighi, M. Uslenghi, M. Auricchio, N. Caroli, E. Schiavone, F. Donati, A. Natalucci, L. Ubertini, P. Del Sordo, S. Casini, F. Bastia, P.
Copyright Year	2008
Description	Author affiliation: INAF-IASF sez. Roma, Italy (Natalucci, L.; Ubertini, P.) \|\| Thales Alenia Space Italia S.p.A., Italy (Bastia, P.) \|\| INAF-IASF sez. Palermo, Italy (Del Sordo, S.) \|\| National Institute for Astrophysics, INAF/IASF sez.Milano, 20133 Italy (Quadrini, E.; Alderighi, M.; Uslenghi, M.) \|\| Sanitas EG Italia, Italy (Casini, F.) \|\| NAF-IASF sez. Bologna, Italy (Auricchio, N.; Caroli, E.; Schiavone, F.; Donati, A.)
Abstract	Recent progress in the CdZnTe (CZT) based detectors prototypes suggests the possibility of an efficient use as 3D detectors. In this paper we discuss how the z coordinate of the interacting photon can be obtained in thick pixellated CZT crystals with a spatial resolution equal to the linear dimension of the implemented pixel (mm). Two different approaches will be described. The first considers a fine segmentation of multi anode and cathode electrodes arranged in orthogonal strips and biased with an electric field transversal to the photons arrival line (PTF = Planar Transversal Field): this solution tends to simplify the readout electronics although at the expense of some complexity in detectors assembling. The second one is based on a more classical configuration, single cathode and multi electrodes anode (exploiting the small pixel effect) biased with a field parallel to the impinging photons direction (PPF = Parallel Transversal Field). This approach needs a more complex electronics to analyze the signal shape of each interaction in order to evaluate, among other parameters, the interaction depth. Conversely in this configuration the focal plane can be assembled with relative simplicity. Both the configurations can be disposed in a stack to improve the working energy range through an effective use of the Compton effect.
Starting Page	166
Ending Page	172
File Size	5072333
Page Count	7
File Format	PDF
ISBN	9781424427147
ISSN	10957863
DOI	10.1109/NSSMIC.2008.4775146
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-19
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gamma ray detection Gamma ray detectors Astronomy Photonic crystals Anodes Cathodes Electrodes Assembly Prototypes Spatial resolution
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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